noughts_and_crosses

from itertools import cycle

def print_board(board):
    for ridx, row in enumerate(board, start=1):
        for cidx, col in enumerate(row, start=1):
            print(f"{col}{'|' if cidx in (1, 2) else ''}", end="")
        print(f"\n{LINE if ridx in (1, 2) else NULL}")

LINE = "-|-|-"
NULL = ""
X = "X"
O = "O"

board = [[' ' for _ in range(3)] for _ in range(3)]  # initialise
moves = ((1, 1), (0,2), (2,1), (0,1), (0,0))  # testing
players = cycle((X, O))

print_board(board)
for row,col in moves:
    board[row][col] =